CVE-2025-26661 Missing Authorization check in SAP NetWeaver (ABAP Class Builder)

High 8.8 Published Updated

Attackers can bypass authorization checks in SAP NetWeaver ABAP Class Builder to escalate privileges and access sensitive data.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-26661?

CVE-2025-26661 is a high-severity missing authorization vulnerability in SAP_SE SAP NetWeaver (ABAP Class Builder), published on 11 Mar 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Due to missing authorization check, SAP NetWeaver (ABAP Class Builder) allows an attacker to gain higher access levels than they should have, resulting in escalation of privileges. On successful exploitation, this could result in disclosure of highly sensitive information. It could also have a high impact on the integrity and availability of the application.

Weakness: CWE-862

Which versions are affected by CVE-2025-26661?

How do I fix CVE-2025-26661?

No fix has been published for CVE-2025-26661 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-26661 being exploited?

There is no known exploitation of CVE-2025-26661 in the wild and no public exploit code.

Sources

Also known as GHSA-r597-fw99-924j.

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